Re: ok how important is it? to use torque wrench
I grew up on iron-headded Detroit muscle. Heck, I over tightened everything. I cracked a perfectly good Honda block by over tightening a bolt. I now have 2 Snap-On 3/8 drive and 3 1/2 drive torque wrenches. I especially agree with the comment regarding spark plugs and aluminum heads. 13 foot pounds aint much.
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